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Numéro de référence | CLC5632IN | ||
Description | Dual/ High Output/ Programmable Gain Buffer | ||
Fabricant | National Semiconductor | ||
Logo | |||
1 Page
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CLC5632
Dual, High Output, Programmable Gain Buffer
June 1999
General Description
The CLC5632 is a dual, low-cost, high-speed (130MHz) buffer
which features user-programmable gains of +2, +1, and -1V/V.
The CLC5632 also has a new output stage that delivers high
output drive current (130mA), but consumes minimal quiescent
supply current (3.0mA/ch) from a single 5V supply. Its current
feedback architecture, fabricated in an advanced complementary
bipolar process, maintains consistent performance over a wide
range of gains and signal levels, and has a linear-phase response
up to one half of the -3dB frequency.
The CLC5632 offers 0.1dB gain flatness to 30MHz and differen-
tial gain and phase errors of 0.08% and 0.02°. These features are
ideal for professional and consumer video applications.
The CLC5632 offers superior dynamic performance with a
130MHz small-signal bandwidth, 410V/µs slew rate and 5.0ns
rise/fall times (2Vstep). The combination of low quiescent power,
high output current drive, and high-speed performance make
the CLC5632 well suited for many battery-powered personal
communication/computing systems.
The ability to drive low-impedance, highly capacitive loads,
makes the CLC5632 ideal for single ended cable applications.
It also drives low impedance loads with minimum distortion.
The CLC5632 will drive a 100Ω load with only -82/-69dBc
second/third harmonic distortion (Av = +2, Vout = 2Vpp, f = 1MHz).
With a 25Ω load, and the same conditions, it produces only -71/
-73dBc second/third harmonic distortion. It is also optimized for
driving high currents into single-ended transformers and coils.
When driving the input of high-resolution A/D converters, the
CLC5632 provides excellent -86/-96dBc second/third harmonic
distortion (Av = +2, Vout = 2Vpp, f = 1MHz, RL = 1kΩ) and fast
settling time.
Features
s 130mA output current
s 0.08%, 0.02° differential gain, phase
s 3.0mA/ch supply current
s 130MHz bandwidth (Av = +2)
s -86/-96dBc HD2/HD3 (1MHz)
s 17ns settling to 0.05%
s 410V/µs slew rate
s Stable for capacitive loads up to 1000pf
s Single 5V to ±5V supplies
Applications
s Video line driver
s Coaxial cable driver
s Twisted pair driver
s Transformer/coil driver
s High capacitive load driver
s Portable/battery-powered applications
s A/D driver
Maximum Output Voltage vs. RL
10
9
8
7 VCC = ±5V
6
5
4
3 Vs = +5V
2
1
10 100
RL (Ω)
1000
Typical Application
Differential Line Driver with Load Impedance Conversion
Vd/2
Vin
Rt
1
1kΩ
2 1kΩ -
+
8
7
3 1kΩ 1kΩ 6
45
CLC5632
© 1999 National Semiconductor Corporation
Printed in the U.S.A.
Rm/2
Req
1:n
Rm/2
-Vd/2
Zo
UTP
Io
RL
+
Vo
-
Rt2
Note: Supplies and bypassing not shown.
OUT1
-IN1
+IN1
-VCC
Pinout
DIP & SOIC
1kΩ
1kΩ -
+
1kΩ 1kΩ
+VCC
OUT2
-IN2
+IN2
http://www.national.com
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Pages | Pages 12 | ||
Télécharger | [ CLC5632IN ] |
No | Description détaillée | Fabricant |
CLC5632IM | Dual/ High Output/ Programmable Gain Buffer | National Semiconductor |
CLC5632IMX | Dual/ High Output/ Programmable Gain Buffer | National Semiconductor |
CLC5632IN | Dual/ High Output/ Programmable Gain Buffer | National Semiconductor |
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